<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>

<div id="app">
<!--  .lazy-->
  <input type="text" v-model.lazy="message">
  {{message}}
  <br>
<!-- .number -->
  <input type="text" v-model.number="age">
  {{typeof(age)}}
  <br>
<!--  .trim-->
  <input type="text" v-model.trim="name">
  {{name}}
</div>

<script src="../js/vue.js"></script>
<script>
  const app = new Vue({
    el:"#app",
    data: {
      message:"stupid mother fucker",
      age:0,
      name:'mt'
    }
  })
</script>

</body>
</html>